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-rw-r--r--include/linux/ethtool.h7
-rw-r--r--net/core/ethtool.c7
2 files changed, 10 insertions, 4 deletions
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index f6f961fefbe5..b33f316bb92e 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -61,6 +61,13 @@ struct ethtool_drvinfo {
/* For PCI devices, use pci_name(pci_dev). */
char reserved1[32];
char reserved2[12];
+ /*
+ * Some struct members below are filled in
+ * using ops->get_sset_count(). Obtaining
+ * this info from ethtool_drvinfo is now
+ * deprecated; Use ETHTOOL_GSSET_INFO
+ * instead.
+ */
__u32 n_priv_flags; /* number of flags valid in ETHTOOL_GPFLAGS */
__u32 n_stats; /* number of u64's from ETHTOOL_GSTATS */
__u32 testinfo_len;
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 70075c47ada8..33d2ded50f84 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -17,6 +17,7 @@
#include <linux/errno.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
+#include <linux/bitops.h>
#include <asm/uaccess.h>
/*
@@ -216,7 +217,7 @@ static noinline int ethtool_get_drvinfo(struct net_device *dev, void __user *use
/*
* this method of obtaining string set info is deprecated;
- * consider using ETHTOOL_GSSET_INFO instead
+ * Use ETHTOOL_GSSET_INFO instead.
*/
if (ops->get_sset_count) {
int rc;
@@ -265,9 +266,7 @@ static noinline int ethtool_get_sset_info(struct net_device *dev,
return 0;
/* calculate size of return buffer */
- for (i = 0; i < 64; i++)
- if (sset_mask & (1ULL << i))
- n_bits++;
+ n_bits = hweight64(sset_mask);
memset(&info, 0, sizeof(info));
info.cmd = ETHTOOL_GSSET_INFO;
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